231371820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:404

約数の個数: 144

約数和(自身を含む): 726485760

約数和(自身を除く): 495113940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 167, 172, 179, 180, 215, 258, 334, 358, 387, 430, 501, 516, 537, 645, 668, 716, 774, 835, 860, 895, 1002, 1074, 1290, 1503, 1548, 1611, 1670, 1790, 1935, 2004, 2148, 2505, 2580, 2685, 3006, 3222, 3340, 3580, 3870, 5010, 5370, 6012, 6444, 7181, 7515, 7697, 7740, 8055, 10020, 10740, 14362, 15030, 15394, 16110, 21543, 23091, 28724, 29893, 30060, 30788, 32220, 35905, 38485, 43086, 46182, 59786, 64629, 69273, 71810, 76970, 86172, 89679, 92364, 107715, 115455, 119572, 129258, 138546, 143620, 149465, 153940, 179358, 215430, 230910, 258516, 269037, 277092, 298930, 323145, 346365, 358716, 430860, 448395, 461820, 538074, 597860, 646290, 692730, 896790, 1076148, 1285399, 1292580, 1345185, 1385460, 1793580, 2570798, 2690370, 3856197, 5141596, 5380740, 6426995, 7712394, 11568591, 12853990, 15424788, 19280985, 23137182, 25707980, 38561970, 46274364, 57842955, 77123940, 115685910, 231371820]

約数ペア:

[(1, 231371820), (2, 115685910), (3, 77123940), (4, 57842955), (5, 46274364), (6, 38561970), (9, 25707980), (10, 23137182), (12, 19280985), (15, 15424788), (18, 12853990), (20, 11568591), (30, 7712394), (36, 6426995), (43, 5380740), (45, 5141596), (60, 3856197), (86, 2690370), (90, 2570798), (129, 1793580), (167, 1385460), (172, 1345185), (179, 1292580), (180, 1285399), (215, 1076148), (258, 896790), (334, 692730), (358, 646290), (387, 597860), (430, 538074), (501, 461820), (516, 448395), (537, 430860), (645, 358716), (668, 346365), (716, 323145), (774, 298930), (835, 277092), (860, 269037), (895, 258516), (1002, 230910), (1074, 215430), (1290, 179358), (1503, 153940), (1548, 149465), (1611, 143620), (1670, 138546), (1790, 129258), (1935, 119572), (2004, 115455), (2148, 107715), (2505, 92364), (2580, 89679), (2685, 86172), (3006, 76970), (3222, 71810), (3340, 69273), (3580, 64629), (3870, 59786), (5010, 46182), (5370, 43086), (6012, 38485), (6444, 35905), (7181, 32220), (7515, 30788), (7697, 30060), (7740, 29893), (8055, 28724), (10020, 23091), (10740, 21543), (14362, 16110), (15030, 15394)]